Asituation in which a gene has more than two alleles is known as
a. incomplete dominance.
b. codominance.
c. polygenic dominance.
d. multiple alleles

Why do you think the puppy litter was all dark-haired?

Did you know that a blue wales tongue weighs more than an elephant?

For the strategies below, decide whether they are best described as demand-side solutions or supply-side solutions to meeting human needs for fresh water. remember that a demand-side solution reduces demand for fresh water, whereas a supply-side solution increases the supply of fresh water. (a) damming a river to create a reservoir (b) desalinating seawater (c) a nation invading a neighboring country to access their rivers (d) raising water prices for consumers and businesses (e) providing tax breaks for companies that use less water (f) replacing inefficient irrigation with more-efficient drip irrigation to grow crops (g) requiring low-flow showerheads in all new homes